LOPURS 2000mAh High Capacity Li-ion Mobile Phone Battery for BLU Studio 5.0 C HD D534-C706043200L Brand new and high quality battery Best replacement for the original battery with comparable standby and talk time Integrated microchip inside prevents overcharging and lengthens battery life Use the authorized charger only If you don't use the battery for a long time, please put it in a dry and cool place and make it full charged once every three months